LED bulb with E14 socket and 功率 6 W. It emits cold white light and can replace a classic bulb with a power input of 45 W. 
Replacing ordinary light bulbs with LED Best-led bulbs is also very simple and there is no need to redo the electrical installations. You simply replace an ordinary light bulb with a saltpeter. Thanks to low 功率 and a long service life of over 30,000 hours, you will save more than 85% of electricity.